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Confessions of a Beachcomber

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scheme, the former depending upon abutments for security instead of adventitious roots. Its radicles resemble pipe-stems, or as they lie stranded on the beach, slightly curved and with the brown tapering calyx tube attached, green snakes with pointed beads. Surprising features are possessed by the tree known as SONNERATIA ALBA. The roots send up a multitude of offshoots, resembling woodeny radishes, some being forked, growing wrong end up. All the base of each tree is set about with a confusion of points--a wonderful and perfect design for the arrest and retention of debris and mud. Some of these obtrusive roots are much developed, measuring 6 feet in height and about 4 in. diameter. No less remarkable is the help that the white mangrove (AVICENNA OFFICINALIS) affords in the conquest with its system of strainers. Though different in many respects from the SONNERATIA, it too has erect, obtrusive, respiratory shoots from the roots, slender in comparison, resembling asparagus shoots or rake tines (called by some cobbler's pegs) and which strain the sea, retaining light rubbish and assisting to hold and consolidate it all. Each of the plants mentioned is equipped in a more or less efficient manner for the special purpose of taking part in the reclamation of land. In some the roots descend from the branches to the mud where roots ought to grow; in others, roots ascend from the mud to the upper air, where, ordinarily, roots have no sort of business. Each possesses varying and distinct features well designed to aid and abet the general purpose. Other species of marine plants have their duty too. That which is known as the river mangrove (AEGICERAS MAJUS)--which does not confine itself to rivers--comes to sweeten the noisome exhalation of the mud, and with its profuse white, orange-scented flowers, to invite the cheerful presence of bees and butterflies. The looking-glass tree (HERITIERA LITTORALIS), with its large, oval, glossy, silver-backed leaves and boat-shaped fruit, stands with the river mangrove along the margin farthest from the sea, not as a rearguard, but to perform the function of making the locality the more acceptable to the presence of plants which luxuriate in sweetness and solid earth. Another denizen of the partially reclaimed area of the mangrove swamp is the "milky mangrove," or river poison tree, alias "blind-your-eyes" (EXCAECARIA AGALLOCHA). In India the sap of this tree is called tiger's milk. It issues from the slightest incision of the bark, and is so volatile that no one, however careful, can obtain even a small quantity without being affected by it. There is an acrid, burning sensation in the throat, inflamed eyes and headache, while a single drop falling into the eyes will, it is believed, cause loss of sight. Yet a good caoutchouc may be prepared from it, and it is applied with good effect to ulcerate sores, and by the blacks of Queensland and New South Wales for the relief of certain ulcerous and chronic diseases; while in Fiji the patient is fumigated with the smoke of the burning wood. Several of the plants produce more or less valuable woods. BRUGUIERA RHEEDI frequently grows slender shafts, favoured by blacks for harpoon handles on account of their weight and toughness. White mangrove provides a light, white tough wood eminently adapted for the knees of boats. The seeds resemble broad beans, and after long immersion in the sea will germinate lying naked and uncovered on the scorching sand, stretching out rootlets in every direction in search of suitable food, and expanding their leathery primary leaves--even growing to the extent of several inches--while yet owing no attachment to the soil. If it were not capable of surviving and flourishing under conditions fatal to most plants it could not contribute its quota to the formation of humus favourable to the progress of the advancing hosts of tropical vegetation. A weird and stealthy process is this invasion of the ocean, which leads to the alteration and amendment of the surface of the globe. Here, may be watched the very growth of land--land creeping silently, irresistibly upon the sea, yet with a movement which may be calculated and registered with exactitude. Having fulfilled its purpose, the mangrove suffers the fate of the primitive and aboriginal. Tyrannous trees of over-topping growth, which at first hesitatingly accepted its hospitality, crowd and shove, compelling the hardy and courageous plant to further efforts to win dominion from the ocean. So the pioneer advances, ever reclaiming extended areas as the usurping jungle presses on its rear. Nor must it be imagined that mangrove swamps are unproductive. Fish traverse the intricacies of the arching roots, edible crabs burrow holes in the mud, and in them await your coming, and more often than not baffle your ingenuity to extricate them. Among other stalked-eyed crustaceans is that with one red, shielding claw, absurdly large, and which scuttles among the roots, making a defiant clicking noise--the fiddle or soldier crab (GELASIMUS VOCANS). Oysters seal themselves to the roots, and various sorts of shell-fish gather together--two or three varieties appear to browse upon the leaves and bark of the mangroves; some excavate galleries in the living trunks. The insidious cobra does not wear any calcareous covering beyond the frail tiny bivalves which guard the head--a scandalously small proportion of its naked length--but lines its tunnels with the materials whence shell is made, smooth and white as porcelain. How this delicate creature with less of substance than an oyster--a mere worm of semi-transparent, stiff slime--bores in hard wood along and across the grain, housing itself as it proceeds, and never by any chance breaking in upon its neighbours, though the whole of the trunk of the tree be honeycombed, savours of another wonder. Authorities consider the bivalve shell too delicate and frail to be employed in the capacity of a drill, and one investigator has come to the conclusion that the rough fleshy parts of the animal, probably the foot or mantle, acting as a rasp, forms the true boring instrument. Thus, the skill of a worm in excavating tunnels in wood puzzles scientists; and the cobra is certainly among the least conspicuous of the denizens of a mangrove swamp, and perhaps far from

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